18829551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25411}}^1$

素因数の和:25446

約数の個数: 16

約数和(自身を含む): 28461440

約数和(自身を除く): 9631889

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 25411, 76233, 330343, 482809, 991029, 1448427, 6276517, 18829551]

約数ペア:

[(1, 18829551), (3, 6276517), (13, 1448427), (19, 991029), (39, 482809), (57, 330343), (247, 76233), (741, 25411)]